1. WEDNESDAY, JAN. 28 TH p. 148, 149

2. WEDNESDAY, JAN. 28 TH 148 1/28/15 Wed. L.T.: I can write logical steps to my procedure and follow them to gather my data. DO NOW: What needs to be changed about these logical steps? 1.Get people in place. 2.Start the car. 3.Time the car. 4.Do this 3 times......................... Reflection: Are my logical steps detailed, written in chronological order, and clearly instruct on how to gather data? Was I able to work collaboratively with my team and collect data for my car type? Is my data table fully filled out? 149 Title: Constant Speed or Acceleration? 2 Procedure Logical steps: 1. 2. 3. ………………………………………………. Data for Car Type:______________________ 4 th period – how many boxes will YOU need going down? Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50 50-100 100-150 150-200

3. JOBS  Team Leader (1) : does Ms. Kim’s job of organizing and orchestrating the data collecting. Knows everyone’s jobs by heart and has leadership like a leader, not a boss.  Timer (4-8) : accurately times the car passing through their section; reports out to calculator or Ms. Kim their data  Calculator (4*) : in the case of multiple timers, calculator must gather data and calculate average and report to Ms. Kim  Mechanic (1) : must keep car tuned up and ready to go at all times. Only one to handle supplies. Must be patient and quick. Releases car at Team Leader’s signal.  Mechanic’s Help (1*) : receives the car on the other end and assists Mechanic with any repairs; sweeps before each trial  *if we have enough people – these jobs get filled in last

4. 2 ND PERIOD Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50 50-100 100-150 150-200 Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50 50-100 100-150 150-200 Fan Car Mousetrap Car

5. 3 RD PERIOD Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50 50-100 100-150 150-200 Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50 50-100 100-150 150-200 Fan Car Mousetrap Car

6. 4 TH PERIOD Sections (cm) T1T2T3Avg. TimeAvg. Speed 0-25 25-50 50-75 75-100 100-125 125-150 150-175 175-200 Sections (cm) T1T2T3Avg. TimeAvg. Speed 0-25 25-50 50-75 75-100 100-125 125-150 150-175 175-200 Fan Car Mousetrap Car

7. 5TH PERIOD Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50 50-100 100-150 150-200 Sections (cm) T1T2T3Avg. Time Avg. Speed 0-50.70 s 50-100.51 s 100-150.33 s 150-200.51 s Fan Car Mousetrap Car